South Indian Sanskrit / Whish Manuscript Collection.
See ’A catalogue of South Indian Sanskrit manuscripts (especially those of the Whish Collection) belonging to the Royal Asiatic Society of Great Britain and Ireland’ by M. Winternitz, with an appendix by F. W. Thomas (London: RAS, 1902) p.53. Go to http://tinyurl.com/j3tkdwj for a digital copy of this catalogue.
See also 'Classified index to the Sanskrit MSS. in the Palace at Tanjore', prepared for the Madras Government by A. C. Burnell (London 1880), p.58 seqq.; 'Catalogue of the Sanskrit Manuscripts in the Library of the India Office' by Julius Eggeling (London 1887-), Part III, p.362. Burnell has Vaiṇyadatta, and Eggeling Vainyadatta, for Vaidyadatta.
J. L. Whish, gift of manuscripts collected by his brother C. M. Whish, July 1836.